package org.sxkj.gd.common;

import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.databind.JsonSerializer;
import com.fasterxml.jackson.databind.SerializerProvider;

import java.io.IOException;
import java.math.BigDecimal;

/**
 * 将bigDecimal类型字段去掉无用的小数点后单位
 */
public class BigDecimalStripTrailingZerosSerializer extends JsonSerializer<BigDecimal> {
	@Override
	public void serialize(BigDecimal value, JsonGenerator gen, SerializerProvider serializers) throws IOException {
		if (value == null) {
			gen.writeNull();
			return;
		}
		BigDecimal stripped = value.stripTrailingZeros();
		gen.writeNumber(stripped.toPlainString());
	}
}